Change Tracking

SQL Server Change Tracking

Video: Introduction to SQL Server Change Tracking

SQL Server change tracking is a lightweight and synchronous mechanism for detecting inserts, updates, and deletes in tracked tables. For those of us who spend a lot of time in ETL, change tracking is a useful tool for defining what data has changed to make the extract-transform-load process more efficient. SQL Server Change Tracking In this 30-minute video, I introduce…


Change Tracking for Data Warehouse Loads (Webinar)

For data warehouse professionals, data change detection is is a central part of what we do. Accurately detecting new, changed, and deleted records means the difference between doing an expensive truncate-and-reload operation versus a smaller, faster incremental load. SQL Server change tracking, a feature first introduced in SQL Server 2008, allows detection of changed data – including inserts, updates, and…


Using change tracking in SSIS

Using Change Tracking in SSIS

Recently, I wrote about how to get started with SQL Server change tracking, and I demonstrated a design pattern I use with change tracking in incremental load scenarios. In this post, I’ll round out the topic by showing how using change tracking in SSIS packages can add more flexibility to ETL processes. Using Change Tracking in SSIS In my last post I…


Change tracking for incremental loads

Using SQL Server Change Tracking for Incremental Loads

Earlier this week I wrote about the basics of change tracking in SQL Server, and showed how to get started using this technology for change detection. In this post, I’ll continue what I started by demonstrating how change tracking fits into a larger design pattern for end-to-end incremental load ETL processes. Incremental Load Overview ETL processes fall into one of…


Getting Started with Change Tracking in SQL Server

Change tracking for SQL Server is a flexible and easy-to-use technology for monitoring tables for inserts, updates, and deletes. In this post, I’ll discuss getting started with change tracking in SQL Server, and will show an example of how to get started with it. Change Tracking Overview Change tracking is a lightweight mechanism for tracking which rows have been inserted,…